4 research outputs found
Detecting the myth : an application of C. G. Jung's analytical psychology to film analysis
This thesis applies the analytical psychology of C. G. Jung to the study of
films. The thesis is in three parts. Part One forms an introduction to the theory of analytical psychology and makes the initial links to film theory.
Part Two involves the development of a model for systematically applying the theory and Part Three is a detailed analysis of one film.
Part One:
In Chapter One Jung's theories about conscious behaviour are explored, some initial points of contact are made with film analysis, and a variety of films are used to illustrate the relevance of the theory. Chapter Two finds areas of correspondance between Jung's theories of the unconscious and film theory. This is a bridging of what had previously been regarded as separate
critical traditions. Chapter Three is a detailed analysis of Tightrope (Dir. R. Tuggle, Warner Brothers, 1984) which demonstrates the applicability of analytical psychology n the analysis of films.
Part Two:
Chapter Four presents more theory about the nature of archetypes, and from this a model is derived. This model enables the central tenets of analytical psychology to be used for the analysis of films. This is demonstrated in Chapter Five which is an analysis of the detective film Blade Runner (Dir. R. Scott, Columbia, 1982). Chapter Six explores the function of the symbol in film, especially how it relates to the development of the narrative and to the psychological growth of the film's central characters. Chapter Seven is the last of the theoretical chapters and indicates how the individuation
process can be applied to films. The figures of the shadow and the femme fatale are regarded as having a particular generic and cultural importance. Part Three:
The remaining chapters are a detailed examination of Trancers (Dir. C. Band,
Lexyen Productions, 1984), in which the model established in Chapter Four is used to facilitate the analysis of the film. This reveals that beneath the visual and narrative surface of the film there exists a series of mythological and psychological structures. Ultimately the film is regarded as an expression of collective latent unconscious psychological needs
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Acute inflammation sensitizes knee-innervating sensory neurons and decreases mouse digging behavior in a TRPV1-dependent manner.
Ongoing, spontaneous pain is characteristic of inflammatory joint pain and reduces an individual's quality of life. To understand the neural basis of inflammatory joint pain, we made a unilateral knee injection of complete Freund's adjuvant (CFA) in mice, which reduced their natural digging behavior. We hypothesized that sensitization of knee-innervating dorsal root ganglion (DRG) neurons underlies this altered behavior. To test this hypothesis, we performed electrophysiological recordings on retrograde labeled knee-innervating primary DRG neuron cultures and measured their responses to a number of electrical and chemical stimuli. We found that 24-h after CFA-induced knee inflammation, knee neurons show a decreased action potential generation threshold, as well as increased GABA and capsaicin sensitivity, but have unaltered acid sensitivity. The inflammation-induced sensitization of knee neurons persisted for 24-h in culture, but was not observed after 48-h in culture. Through immunohistochemistry, we showed that the increased knee neuron capsaicin sensitivity correlated with enhanced expression of the capsaicin receptor, transient receptor potential vanilloid 1 (TRPV1) in knee-innervating neurons of the CFA-injected side. We also observed an increase in the co-expression of TRPV1 with tropomyosin receptor kinase A (TrkA), which is the receptor for nerve growth factor (NGF), suggesting that NGF partially induces the increased TRPV1 expression. Lastly, we found that systemic administration of the TRPV1 antagonist, A-425619, reversed the decrease in digging behavior induced by CFA injection, further confirming the role of TRPV1, expressed by knee neurons, in acute inflammatory joint pain.S.C. was supported by a Gates Cambridge Trust scholarship and L.A.P. was supported by the University of Cambridge BBSRC Doctoral Training Programme (BB/M011194/1)
Human Labor Pain Is Influenced by the Voltage-Gated Potassium Channel KV6.4 Subunit.
By studying healthy women who do not request analgesia during their first delivery, we investigate genetic effects on labor pain. Such women have normal sensory and psychometric test results, except for significantly higher cuff pressure pain. We find an excess of heterozygotes carrying the rare allele of SNP rs140124801 in KCNG4. The rare variant KV6.4-Met419 has a dominant-negative effect and cannot modulate the voltage dependence of KV2.1 inactivation because it fails to traffic to the plasma membrane. In vivo, Kcng4 (KV6.4) expression occurs in 40% of retrograde-labeled mouse uterine sensory neurons, all of which express KV2.1, and over 90% express the nociceptor genes Trpv1 and Scn10a. In neurons overexpressing KV6.4-Met419, the voltage dependence of inactivation for KV2.1 is more depolarized compared with neurons overexpressing KV6.4. Finally, KV6.4-Met419-overexpressing neurons have a higher action potential threshold. We conclude that KV6.4 can influence human labor pain by modulating the excitability of uterine nociceptors.MCL, DKM, DW, and CGW acknowledge funding from Addenbrooke’s Charitable Trust and the NIHR Cambridge Biomedical Research Centre. MN was funded by the Wellcome Trust (200183/Z/15/Z); JH and ESS by a Rosetrees Postdoctoral Grant (A1296) and the BBSRC (BB/R006210/1); GC and ESS by Versus Arthritis Grants (RG21973); VBL and FR by the Wellcome Trust (106262/Z/14/Z and 106263/Z/14/Z) and a joint MRC programme within the Metabolic Diseases Unit (MRC_MC_UU_12012/3). EF, GI and CB were funded by the Cambridge NIHR Biomedical Research Centre Integrative Genomics theme and LAP by a BBSRC-funded studentship (BB/M011194/1)
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In silico screening of GMQ-like compounds reveals guanabenz and sephin1 as new allosteric modulators of acid-sensing ion channel 3.
Acid-sensing ion channels (ASICs) are voltage-independent cation channels that detect decreases in extracellular pH. Dysregulation of ASICs underpins a number of pathologies. Of particular interest is ASIC3, which is recognised as a key sensor of acid-induced pain and is important in the establishment of pain arising from inflammatory conditions, such as rheumatoid arthritis. Thus, the identification of new ASIC3 modulators and the mechanistic understanding of how these compounds modulate ASIC3 could be important for the development of new strategies to counteract the detrimental effects of dysregulated ASIC3 activity in inflammation. Here, we report the identification of novel ASIC3 modulators based on the ASIC3 agonist, 2-guanidine-4-methylquinazoline (GMQ). Through a GMQ-guided in silico screening of Food and Drug administration (FDA)-approved drugs, 5 compounds were selected and tested for their modulation of rat ASIC3 (rASIC3) using whole-cell patch-clamp electrophysiology. Of the chosen drugs, guanabenz (GBZ), an α2-adrenoceptor agonist, produced similar effects to GMQ on rASIC3, activating the channel at physiological pH (pH 7.4) and potentiating its response to mild acidic (pH 7) stimuli. Sephin1, a GBZ derivative that lacks α2-adrenoceptor activity, has been proposed to act as a selective inhibitor of a regulatory subunit of the stress-induced protein phosphatase 1 (PPP1R15A) with promising therapeutic potential for the treatment of multiple sclerosis. However, we found that like GBZ, sephin1 activates rASIC3 at pH 7.4 and potentiates its response to acidic stimulation (pH 7), i.e. sephin1 is a novel modulator of rASIC3. Furthermore, docking experiments showed that, like GMQ, GBZ and sephin1 likely interact with the nonproton ligand sensor domain of rASIC3. Overall, these data demonstrate the utility of computational analysis for identifying novel ASIC3 modulators, which can be validated with electrophysiological analysis and may lead to the development of better compounds for targeting ASIC3 in the treatment of inflammatory conditions.This work was supported by Versus Arthritis Research Grants (RG20930 and RG21973; GC and EStJS), BBSRC grant (BB/R006210/1; JRFH and EStJS), BBSRC-funded studentships (LAP and JCG, BB/M011194/1) and Gates Cambridge Trust (SC)